. >>> israeli forces have killed hamas' top military commander. this happened yesterday in a string of 20 air strikes on the gaza strip. violent retaliation has followed there and today, three israelis were killed in a rocket attack. israel mourns the deadly strike on the hamas commander as the beginning of a broader offensive. >> happening right now in mexico, a survey to see whether there was damage caused by an early morning earthquake. the 6.0 quake hit around 4:20 eastern time. the epicenter was about 105 miles south of mexico city. shaking was felt in the capital. >>> closer to home now, lawmakers on capitol hill are trying to get to the bottom of a deadly fungal meningitis outbreak. the house energy and commerce subcommittee says it will investigate why hundreds of people were given the contaminated steroid. 32 people have died. more than 400 sickened. the opener of the pharmacy linked to the tainted drug has pleaded the fifth. >>> concerned this morning about another popular energy drink. the fda has received reports of 13 deaths mentionin